Dictionary

1demoniac

adjective de·mo·ni·ac \di-ˈmō-nē-ˌak\

Definition of DEMONIAC

1
:  possessed or influenced by a demon
2
:  demonic <demoniac rage>
de·mo·ni·a·cal·ly \ˌdē-mə-ˈnī-ə-k(ə-)lē\ adverb

Variants of DEMONIAC

de·mo·ni·ac also de·mo·ni·a·cal \ˌdē-mə-ˈnī-ə-kəl\
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Origin of DEMONIAC

Middle English demoniak, from Late Latin daemoniacus, from Greek daimoniakos, from daimon-, daimōn
First Known Use: 14th century

2demoniac

noun

Definition of DEMONIAC

:  one possessed by a demon

First Known Use of DEMONIAC

14th century

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